Design goals, protect public health. structural integrity for 50 years, population served 20-25 years, capacity into 50 years and transport sewer mainly by gravity to the WWTP, System has grease and sand traps, manholes, lift stations and connecting pipes, pumps and motors.

Safe excavation for the installation of the collection and treatment system, notify 1-800-digtess(800-344-8377) or 811 - it is the law now. Protect cave- ins by sloping, shoring, or by trench Boxes.

Dry well and wet well lift stations above or below ground with auto ventilation. centrifugal and positive displacement pumps, pump curves, water level measuring devices, water hammer, cavitation causes/remedies. inspection of lift station,record keeping. Odor control with chemicals. Open and closed channel flow measurement, O&M of lift station and the WWTP.